Unit 2 WJEC Psychology Questions and Verified
Answers
What is an aim?
Ans: A general statement of what the researcher intends to investigate
What is a confounding variable?
Ans: a factor other than the independent variable that might produce an
effect in an experiment
What does debriefing mean?
Ans: To inform the participants of the true nature of the study and the
restore them to the same state as they were beforehand. Avoids ethical
issues
what is a DV?
Ans: The variable you measure
What is an ethical issue?
Ans: Concern questions of right of wrong. Does the benefits of the
experiment outweigh the negatives
What is an experiment?
Ans: A research method where a casual conclusions can be drawn because
of a manipulated on an IV to observe the effect on the DV
What is a hypothesis?
Ans: A hypothesis is a statement that can be tested
What is an IV?
Ans: variable that is manipulated
What does the term operationalise mean?
Ans: Ensuring that the variables are in a form that can be easily tested
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What is a standardised procedures?
Ans: procedures that are the same for all ppts in order to be able to repeat
the study.
What is valid consent?
Ans: ppts must be given comprehensive information concerning the nature
and purpose of the research and their role in it, in order that they can make
an informed decision about whether to participate.
What is external validity?
Ans: the degree to which the investigator can extend or generalize a study's
results to other subjects and situations. (repeatability)
What is an extraneous variable?
Ans: a variable other than the IV that could cause changes in the value of
the DV. (doesn't act as the IV like confounding variables)
What is internal validity?
Ans: The degree to which an observed effect was due to the experiment
manipulation not confounding/extraneous variables
What is mundane realism?
Ans: refers to how a study mirrors the real world
What does reliability mean?
Ans: consistency (can the research be carried out multiply times and get
the same results)
What does validity mean?
Ans: accuracy/legitimacy. does it represent reality
What does split half method mean?
Ans: the questions are split in half and the same ppts answer one set some
time before the second set. If the scores of each half are similar, it is said the
the test is reliable
What does inter-rated/observer reliability mean?
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Ans: People are notorious for their inconsistency. We are easily distracted,
we get tired of doing repetitive tasks. Using 2 observers makes the results
more reliable, IF THEY'RE FINDINGS ARE SIMILAR.
What does test-retest mean?
Ans: redoing the experiment, if the results are similar there is a high
external validity.
However, risks observer bias.
What is a questionnaire?
Ans: a series of written questions a researcher presents to subjects
Strengths of questionnaires
Ans: + Cost effective
+ Can gather large amounts of data quickly
+ Can be completed without the researcher being present
Weaknesses of questionnaires
Ans: - Can produce response bias
- Ppts may misunderstand the question or read it incorrectly
- Demand Characteristics / Social Desirability may occur
What does qualitative data mean?
Ans: literature based data
What does quantitative data mean?
Ans: numerical based data
Strengths of qualitative data
Ans: +Rich in detail
+Allows for in-depth analyse
Weaknesses of qualitative data
Ans: - difficult to analyse
-difficult to compare people or groups